package c.footstep;

public class TestMain {

  public static void main(String args){
	  int stepSize=10;
	  int total=fun(stepSize);
	  System.out.println(total);
  }	
  public static int fun(int size){
	  if(size==1)return 1;
	  if(size==2)return 2;
	  return fun(size-1)+fun(size-2);
  }
}
